27728745310 has 32 divisors (see below), whose sum is σ = 57101982912. Its totient is φ = 9496999680.

The previous prime is 27728745287. The next prime is 27728745311. The reversal of 27728745310 is 1354782772.

It is a super-2 number, since 2×27728745310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27728745311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141121 + ... + 274540.

It is an arithmetic number, because the mean of its divisors is an integer number (1784436966).

Almost surely, 2^27728745310 is an apocalyptic number.

27728745310 is an abundant number, since it is smaller than the sum of its proper divisors (29373237602).

27728745310 is a wasteful number, since it uses less digits than its factorization.

27728745310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416628.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 27728745310 in words is "twenty-seven billion, seven hundred twenty-eight million, seven hundred forty-five thousand, three hundred ten".